Install wechaty using:

Error:
21:48:10 INFO Wechaty <default> start() v0.22.6 is starting...
21:48:10 INFO PuppetManager install(wechaty-puppet-puppeteer@^0.14.1) please wait ...
npm: npm WARN
npm: checkPermissions Missing write access to /Users/frankgo/Developer/wechaty/node_modules/wechaty/node_modules
Permission problem with pkg of "wechaty-puppet-puppeteer@^0.14.1", solution: using --unsafe-perm=true to disable perssmion check!!
"sudo npm install --save wechaty-puppet-puppeteer@^0.14.1 --unsafe-perm=true"
Note: please do NOT use vpn for downloading puppetter chronimum..run above command without using VPN!!